Compact lip labyrinth shaft seal unit, corresponding shaft seal and corresponding carrier roller

• Main Authors: YUAN XIANGKE, LI SHUANGZHONG, YANG PENG, JIANG HAI, LI WENDA, GUAN QINGXIA, SUN YANWEI, FU YOU, WANG CHUNQI, ZHU SHUCHUAN, PEI JITIAN, ZHENG LIBEN, LIU ZHIJIAN, CAO JIAN
• Format: Patent
• Language: Chinese; English
• Published: 26.11.2021
• Subjects: BEARINGS; BLASTING; CONVEYING; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HANDLING THIN OR FILAMENTARY MATERIAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; SHOP CONVEYOR SYSTEMS; STORING; THERMAL INSULATION IN GENERAL; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING; WEAPONS

The utility model relates to a compact lip labyrinth shaft sealing unit, a corresponding shaft seal and a corresponding carrier roller. In order to overcome the defects in the prior art, the compact lip labyrinth shaft sealing unit comprises an L-shaped outer sealing ring and a T-shaped inner sealing ring, the T-shaped inner sealing ring comprises a shaft sleeve ring and a distance ring, the inner edge of the distance ring is fixedly connected to the outer circumference of the shaft sleeve ring, the distance ring divides the shaft sleeve ring into an inner ring part and an outer ring part, and the shaft sleeve ring of the T-shaped inner sealing ring is tightly sleeved on a matched shaft. The L-shaped outer sealing ring comprises a clamping ring and a lip ring, the outer edge of the lip ring is fixedly connected to the outer edge of the clamping ring, the inner edge of the lip ring is provided with a lip edge bent inwards, the lip edge is pressed on the outer ring portion of the T-shaped inner sealing ring in